found on 2015-03-30 22:10:51 at http://news.google.com/news/url?sa=t&fd=R&ct2=us&usg=AFQjCNGLFh6Zpir9Hb1GcbuOR-gbR9K8dA&clid=c3a7d30bb8a4878e06b80cf16b898331&cid=52778791101383&ei=mq0ZVeCzDois1Qb224HoBA&url=http://blogs.wsj.com/pharmalot/2015/03/30/pfizer-thwarts-uk-docs-from-prescribing-a-drug-over-patent-dispute/

found on 2015-02-06 04:11:06 at http://news.google.com/news/url?sa=t&fd=R&ct2=us&usg=AFQjCNE_jfrf-iajRsXXLLy46YGnD3mv7w&clid=c3a7d30bb8a4878e06b80cf16b898331&cid=52778731601617&ei=iTDUVPCSM6fYigaOk4GgCg&url=http://dealbook.nytimes.com/2015/02/05/pfizer-to-buy-hospira-a-drug-maker-for-15-2-billion-in-cash/

found on 2015-02-05 20:11:08 at http://news.google.com/news/url?sa=t&fd=R&ct2=us&usg=AFQjCNE_jfrf-iajRsXXLLy46YGnD3mv7w&clid=c3a7d30bb8a4878e06b80cf16b898331&cid=52778731601617&ei=CcDTVLDCOMOzyAPN24HQDQ&url=http://dealbook.nytimes.com/2015/02/05/pfizer-to-buy-hospira-a-drug-maker-for-15-2-billion-in-cash/